diff --git a/mROA/Abstract/IExecuteModule.cs b/mROA/Abstract/IExecuteModule.cs
index cc5a843..7a9b0a1 100644
--- a/mROA/Abstract/IExecuteModule.cs
+++ b/mROA/Abstract/IExecuteModule.cs
@@ -4,5 +4,5 @@ namespace mROA.Abstract;
 
 public interface IExecuteModule : IInjectableModule
 {
-    ICommandExecution Execute(ICallRequest command, IContextRepository executionContextRepository);
+    ICommandExecution Execute(ICallRequest command, IContextRepository contextRepository);
 }
\ No newline at end of file
diff --git a/mROA/Implementation/Backend/BasicExecutionModule.cs b/mROA/Implementation/Backend/BasicExecutionModule.cs
index eb5b96b..e3d9903 100644
--- a/mROA/Implementation/Backend/BasicExecutionModule.cs
+++ b/mROA/Implementation/Backend/BasicExecutionModule.cs
@@ -13,12 +13,12 @@ public class BasicExecutionModule : IExecuteModule
         if (dependency is IMethodRepository methodRepo) _methodRepo = methodRepo;
     }
 
-    public ICommandExecution Execute(ICallRequest command, IContextRepository _contextRepo)
+    public ICommandExecution Execute(ICallRequest command, IContextRepository contextRepository)
     {
         if (_methodRepo is null)
             throw new NullReferenceException("Method repository was not defined");
         
-        if (_contextRepo is null)
+        if (contextRepository is null)
             throw new NullReferenceException("Context repository was not defined");
         
         var currentCommand = _methodRepo.GetMethod(command.CommandId);
@@ -26,8 +26,8 @@ public class BasicExecutionModule : IExecuteModule
             throw new Exception($"Command {command.CommandId} not found");
 
         var context = command.ObjectId != -1
-            ? _contextRepo.GetObject(command.ObjectId)
-            : _contextRepo.GetSingleObject(currentCommand.DeclaringType!);
+            ? contextRepository.GetObject(command.ObjectId)
+            : contextRepository.GetSingleObject(currentCommand.DeclaringType!);
         var parameter = command.Parameter;
 
         if (currentCommand.ReturnType.BaseType == typeof(Task) &&
diff --git a/mROA/Implementation/Backend/HubRequestExtractor.cs b/mROA/Implementation/Backend/HubRequestExtractor.cs
index 572c4b0..ae29e29 100644
--- a/mROA/Implementation/Backend/HubRequestExtractor.cs
+++ b/mROA/Implementation/Backend/HubRequestExtractor.cs
@@ -1,11 +1,10 @@
 using mROA.Abstract;
-using mROA.Implementation.Frontend;
 
 namespace mROA.Implementation.Backend;
 
 public class HubRequestExtractor(Type extractoType) : IInjectableModule
 {
-    private IConnectionHub _hub;
+    private IConnectionHub? _hub;
 
     private IContextRepository? _contextRepository;
     private IMethodRepository? _methodRepository;
diff --git a/mROA/Implementation/Frontend/NetworkFrontendBridge.cs b/mROA/Implementation/Frontend/NetworkFrontendBridge.cs
index 650b42c..a5f4a16 100644
--- a/mROA/Implementation/Frontend/NetworkFrontendBridge.cs
+++ b/mROA/Implementation/Frontend/NetworkFrontendBridge.cs
@@ -27,6 +27,8 @@ public class NetworkFrontendBridge(IPEndPoint ipEndPoint) : IFrontendBridge
     {
         if (_interactionModule is null)
             throw new Exception("Interaction module was not injected");
+        if (_serialization == null)
+            throw new NullReferenceException("Serialization toolkit is not initialized");
         
         _tcpClient.Connect(ipEndPoint);
         _interactionModule.BaseStream = _tcpClient.GetStream();
diff --git a/mROA/Implementation/Frontend/StreamBasedFrontendInteractionModule.cs b/mROA/Implementation/Frontend/StreamBasedFrontendInteractionModule.cs
index 21cbbfe..a94a374 100644
--- a/mROA/Implementation/Frontend/StreamBasedFrontendInteractionModule.cs
+++ b/mROA/Implementation/Frontend/StreamBasedFrontendInteractionModule.cs
@@ -1,4 +1,4 @@
-namespace mROA.Implementation.Frontend;
+
 
 // public class StreamBasedFrontendInteractionModule : IInteractionModule.IFrontendInteractionModule
 // {